Tue, 07 Jan 2020 14:58:01 +0100 traytel eliminated one redundant proof obligation in lift_bnf for quotients
Tue, 07 Jan 2020 14:40:11 +0100 blanchet removed experimental option to SPASS
Tue, 07 Jan 2020 12:37:12 +0100 nipkow alternative deletion in Red-Black trees
Tue, 07 Jan 2020 07:03:18 +0100 nipkow generalized thm (as suggested by Christian Weinz)
Tue, 07 Jan 2020 06:43:09 +0100 nipkow tunded
Sat, 28 Dec 2019 23:44:26 +0100 nipkow tuned
Sat, 28 Dec 2019 00:15:43 +0100 nipkow tuned
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